English Grammar 50: 50 - Part 2 Body language includes the gestures and movements people make when they communicate. I can’t stress enough how important this is. All too often, people just don’t pay attention to their body language. If we go back to our earlier scenario of giving a talk for a moment, you might think you are communicating a clear message when you speak, but if your body is sending a different message, well, then your audience is just not going to react as you had hoped. You think you are a competent speaker, but if they see you slouching, not making eye contact, or pulling your.